<html>
 <head>
 <title>TODO supply a title</title>
 <meta name="viewport" content="width=device-width,inital-scale=1.0">
 </head>
 <body>

     <form action="reghander.php" method="post">
         <fieldset>
              <legend>用户注册</legend>
              <p>
                <label for="username">账号</label>
                <input id="username" name="username" type="text">
              </p>
              <p>
                <label for="password">密码</label>
                <input id="password" name="password" type="password">
              </p>
              <p>
                <label for="reassword">重复</label>
                <input id="reassword" name="reassword" type="reassword">
              </p>
              <p>
                 <input class="submit" type="submit" value="注册">
               </p>
             </fieldset>
           </form>
         </body>
       </html>          

